/Engine/Source/Runtime/Engine/Classes/Particles/Event/ParticleModuleEventGenerator.h
Called when a particle collides and an event payload is present.
bool true if processed, false if not.
virtual bool HandleParticleCollision ( [FParticleEmitterInstance](API\Runtime\Engine\FParticleEmitterInstance) * Owner, [FParticleEventInstancePayload](API\Runtime\Engine\FParticleEventInstancePayload) * EventPayload, [FParticleCollisionPayload](API\Runtime\Engine\FParticleCollisionPayload) * CollidePayload, [FHitResult](API\Runtime\Engine\Engine\FHitResult) * Hit, [FBaseParticle](API\Runtime\Engine\FBaseParticle) * CollideParticle, FVector & CollideDirection )